IPC Subgroup
G09F 21/06 by aeroplanes, airships, balloons, or kites
Introduced: September 1968
Last revised: January 2006
Full Title
Mobile visual advertising > by aeroplanes, airships, balloons, or kites
Classification Context
- Section:
- PHYSICS
- Class:
- EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- Subclass:
- DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
3 direct subcodes
Child Classifications
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- G09F 21/08 the advertising matter being arranged on the aircraft
- G09F 21/12 the advertising matter being towed by the aircraft
- G09F 21/16 Sky-writing